Touch Panel and Display Device with Touch Panel

1. An electrostatic capacitive coupling type touch panel comprising: a substrate having a rectangle shape; an input region including a plurality of electrodes; a peripheral region outside of the input region; a plurality of connecting terminals formed in the peripheral region and arranged between a short edge of the substrate and the input region; and a plurality of wirings formed in the peripheral region and electrically connecting between the plurality of electrodes and the plurality of connecting terminals respectively, wherein a dummy wiring, which is not connected to any of the plurality of electrodes, is provided in the peripheral region along with and outside of a corner of the input region, and connects a pair of connecting terminals which are formed at both ends of the plurality of connecting terminals, the dummy wiring has an upper conductive layer and a lower conductive layer, a corner portion of the dummy wiring along the corner of the input region bends only once and has an outer edge, the outer edge of the corner portion of the upper conductive layer of the dummy wiring bends at an obtuse angle, an angle of the outer edge of the corner of the upper conductive layer is different than that of the lower conductive layer.

2. The touch panel according to claim 1 , wherein the dummy wiring is supplied with a reference voltage.

3. The touch panel according to claim 1 , wherein the plurality of electrodes are made of a transparent conductive film.

4. The touch panel according to claim 1 , wherein the plurality of wirings respectively have an upper conductive layer and lower conductive layer.

5. The touch panel according to claim 4 , wherein the upper conductive layer of the plurality of wirings have a transparent conductive film.

6. The touch panel according to claim 4 , wherein the lower conductive layer of the plurality of wirings have a metal film.

7. The touch panel according to claim 1 , wherein the electrodes have an X-electrode and a Y-electrode intersecting the X-electrode.

8. The touch panel according to claim 7 , wherein the X electrode and the Y electrode have an intersection part between the X electrode and the Y electrode and an electrode part formed between two intersection parts; wherein the electrode part and the intersection part of the X electrode and the electrode part of the Y electrode are formed on the same layer; and wherein the intersection part of the Y electrode is formed on a different layer than the layer of the intersection part of the X electrode, with an insulating layer there between.

9. An electrostatic capacitive coupling type touch panel comprising: a substrate having a rectangle shape; an input region including a plurality of electrodes; a peripheral region outside of the input region; a plurality of connecting terminals formed in the peripheral region and arranged between a short edge of the substrate and the input region; and a plurality of wirings formed in the peripheral region and electrically connecting between the plurality of electrodes and the plurality of connecting terminals respectively, wherein a dummy wiring, which is not connected to any of the plurality of electrodes, is provided in the peripheral region along with and outside of a corner of the input region, and connects a pair of connecting terminals which are formed at both ends of the plurality of connecting terminals, the dummy wiring has an upper conductive layer and a lower conductive layer, the dummy wiring is provided at the same interval as that of the plurality of wirings, the dummy wiring has a corner along an outermost corner of the plurality of wirings, the corner of the dummy wiring bends at a first angle and has an outer edge, the outer edge of the corner of the upper conductive layer of the dummy wiring bends at a second angle which is greater than the first angle, an angle of the outer edge of the corner of the upper conductive layer is different than that of the lower conductive layer, and the corner of the dummy wiring bends only once.

10. The touch panel according to claim 9 , wherein the dummy wiring is supplied with a reference voltage.

11. The touch panel according to claim 9 , wherein the plurality of electrodes are made of a transparent conductive film.

12. The touch panel according to claim 9 , wherein the plurality of wirings respectively have an upper conductive layer provided on the metal layer with an insulating film there between.

13. The touch panel according to claim 12 , wherein the upper conductive layer of the plurality of wirings have a transparent conductive film.

14. The touch panel according to claim 9 , wherein the electrodes have an X-electrode and a Y-electrode intersecting the X-electrode.

15. The touch panel according to claim 14 , wherein the X electrode and the Y electrode are formed with an insulating film there between.

16. The touch panel according to claim 14 , wherein the X electrode and the Y electrode have an intersection part between the X electrode and the Y electrode and an electrode part formed between two intersection parts; wherein the electrode part and the intersection part of the X electrode and the electrode part of the Y electrode are formed on the same layer; and wherein the intersection part of the Y electrode is formed on a different layer than the layer of the intersection part of the X electrode, with an insulating layer there between.

17. An electrostatic capacitive coupling type touch panel comprising: a substrate having a rectangle shape; an input region including a plurality of electrodes; a peripheral region outside of the input region; a plurality of connecting terminals formed in the peripheral region and arranged between a short edge of the substrate and the input region; and a plurality of wirings formed in the peripheral region and electrically connecting between the plurality of electrodes and the plurality of connecting terminals respectively, wherein a dummy wiring, which is not connected to any of the plurality of electrodes, is provided in the peripheral region along with and outside of a corner of the input region, and connects a pair of connecting terminals which are formed at both ends of the plurality of connecting terminals, the dummy wiring has an upper conductive layer and a lower conductive layer, the dummy wiring has a corner along with a corner of the input region, the corner of the dummy wiring bends at a first angle and has a turned outer edge, a turn of the outer edge is more gradual than the first angle, an angle of the outer edge of the corner of the upper conductive layer is different than that of the lower conductive layer, and the corner of the dummy wiring bends only once.

18. The touch panel according to claim 17 , wherein the dummy wiring is supplied with a reference voltage.

19. The touch panel according to claim 17 , wherein the plurality of wirings respectively have a metal layer.

20. The touch panel according to claim 17 , wherein the plurality of wirings respectively have a metal layer and transparent conductive layer.